Have this X5 (switched batteries and already it runs down quick; this is another issue) that does not alphabetize three folders. I have deleted music folder from the X5, uninstalled/reinstalled rockbox, alphabetized through zip 7; because some folders do not show in jet shell. This only shows on a car radio with usb plugin. It did show a few folders not alphabetized in winzip7, then they were corrected using the name feature, but once plugged into the car stereo there were 3 artists out of order. Does anyone know of a solution?